The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-00-438-4100, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-438-4100 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | SLIDING VANE |
| Intake Connection Type | UNTHREADED EXTERNAL |
| Brake Horsepower Required | 0.250 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 0.3 MILLITORR |
| Drive Connection Type | SINGLE STRAND V-BELT |
| Voltage in Volts | 115.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 35.4 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Operating Speed at Rated Capacity in RPM | 350.0 |
| Surface Treatment | ENAMEL BODY |
| Discharge Connection Type | UNTHREADED EXTERNAL |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Furnished Items | BELT GUARD |
| Mounting Type | BASE |
| Intake Connection Outside Diameter | 0.312 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILV36457 | 2/2 Government specification standardization U.S. Government activity |
NSN 4310-00-438-4100 is a Vacuum Pump Unit,rotary, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-00-438-4100: Discharge Connection Quantity: 1; Overall Height: 10.500 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN; Phase: SINGLE; Pumping Element Type: SLIDING VANE. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.